20367105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 38631168

約数和(自身を除く): 18264063

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 53, 55, 85, 137, 159, 165, 187, 255, 265, 411, 561, 583, 685, 795, 901, 935, 1507, 1749, 2055, 2329, 2703, 2805, 2915, 4505, 4521, 6987, 7261, 7535, 8745, 9911, 11645, 13515, 21783, 22605, 25619, 29733, 34935, 36305, 49555, 76857, 79871, 108915, 123437, 128095, 148665, 239613, 370311, 384285, 399355, 617185, 1198065, 1357807, 1851555, 4073421, 6789035, 20367105]

約数ペア:

[(1, 20367105), (3, 6789035), (5, 4073421), (11, 1851555), (15, 1357807), (17, 1198065), (33, 617185), (51, 399355), (53, 384285), (55, 370311), (85, 239613), (137, 148665), (159, 128095), (165, 123437), (187, 108915), (255, 79871), (265, 76857), (411, 49555), (561, 36305), (583, 34935), (685, 29733), (795, 25619), (901, 22605), (935, 21783), (1507, 13515), (1749, 11645), (2055, 9911), (2329, 8745), (2703, 7535), (2805, 7261), (2915, 6987), (4505, 4521)]